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히스테리시스 電動機의 토오크特性에 미치는 回轉子內의 表皮效果
愼鏞璡 명지대학교 1982 明大論文集 Vol.13 No.-
This paper describes an analytical method on the staring torque of hysteresis motor, with skin effects into the rotor, to the elliptical approximation method of hysteresis-loop. By the above method, it have obtained the torque of rotor ring with non-magnetic and non-conductive material arbor, and the results are concerned and compared with that of computed by aid of callibration factor, k=1+exp(-2t_r/??).
申鎔鎭 全北大學校 語學硏究所 1975 어학 Vol.2 No.-
정상적인 어린아이는 어떤 형태의 환경이든간에 인간이 사용하고 있는 언어 환경속에서는 생후 2년이 지나면 상대방의 말을 듣고 뜻을 이해하고 행동하는 것을 볼 수 있다. 어린아이의 언어 표현은 불완전 하지만 communication에는 그다기 큰 지장을 가저오지 않는다. 일종의 telegraphic sentences를 많이 사용하지만 그들의 사회에서는 조금도 불편을 느끼지 않음을 우리는 우리의 주위에서 많이 보고 그 과정을 신비스럽게 생각하기도 하고 한편으로 경이의 빛을 감추지 못한다. 흔히 저능아의 경우는 언어환경에서 자랄 때 정상적인 아이에 비해 언어사용의 시기가 늦어 부모의 애타는 심정을 볼 수 있다. 그런데 이들은 만족할 만한 정도는 못된다 하여도 어느 시기가 지나면 언어사용의 가능성을 보여준다. Verbal intelligence를 개발하여 언어를 자유로히 사용할 수 있도록 cognitive methods를 동원하여 훈련시키므로 정상적인 궤도로 돌아오는 경우를 가끔 볼 수 있다.
폴리염화비닐 제품에서의 스케일 방지 및 세균의 생육 억제 효과
신용진 조선대학교 부설생명과학 연구소 1999 생명과학 연구 Vol.7 No.-
We have manufactured a high-impact water service pipes, which was inspected for preventing it from scale and bacteria cell growth inhibition in it through inner-wall sediment test, antimicrobial test and physical property test, was added electric charge prevention agent and antibiotic agent. Then we could know that a bacteria cell was hardly found at the antibiotic PVC pipe, whereas it was being at a normal cast iron pipe, despite minutely investigating SEM photograph and culture experiment. The high-impact antibiotic poly chloride products for water service pipe could be manufactured, which was the best suited designed by every various additions, by showing the increasing ratio of a bacteria cell growth inhibition the effect by E. coli to 99.5% when we added 1 wt% of inorganic antimicrobial agent in zeolite shell. 폴리염화비닐에 대전방지제와 항균제를 적용한 내충격 수도관을 제조하여 관벽 침적물 시험, 항균시험 및 물성시험을 통해 스케일 방지 및 세균의 생육 억제효과를 검증하였다. 일반 수도용 주철관에서의 미생물의 존재가 수도용 항균 PVC관에서는 거의 찾아볼 수 없음을 SEM 사진 및 배양실험으로서 알 수 있었으며, 폴리염화비닐에 제올라이트계 무기항균제를 lwt% 정도 적용하였을 때는 E. coli가 99.5% 생육 억제 효과를 나타내는 감소율을 보여줌으로서 각종 첨가제의 최적 설계에 의한 내충격 수도용 항균 폴리염화비닐 제품을 제작할 수 있었다.
申鎔鎭 全北大學校 敎育大學院 1981 敎育論叢 Vol.1 No.-
There are a number of actors to be controlled in language teaching and learning. They are analyzed and described psychologically, linguistically and sociolinguistically. However, it seems to me that the qualification of the English teacher was the most important, but negligent of factor in the past. So this paper is to evaluate the qualification of the English teacher. I would like to argue that the following several problems as conditions of the qualification of the English teacher should be discussed in order to become an able teacher. They are: (1) How does the English teacher motivate the students? (2) The English teacher's attitude, (3) Teaching methods and techniques, (4) Student-centered instruction, (5) Scientific lesson planning, (6) Errors and correction, and (7) Testing.
辛榕珍 한국기업법학회 2002 企業法硏究 Vol.9 No.-
Securities Markets have marked a significant role in national economy by helping capital raising for company(issuer) and providing individual investors with opportunities to get income or money. By virtue of new information technology, investors can reduce the transaction cost and companies can contact with investors directly, and reduce underwriting fees, etc,. But the more evolves the technology, the more enlarge the tools or opportunities of securities fraud. This article deals with many problems by adoption of the analysis in the U.S. online securities markets and SEC's approach. This article tries to adjust paper-based securities law and regulation with that of electronic-base. And then propose some legislative recommendations to be considered in amending The Securities Transaction Act of 1962 in Korea("STA") in the area of insufficient legal theory and regulatory tools. For the regulatory purpose of cybersecurities markets, the most important factor is the establishment of legal position about technology advances in relation with law and regulation system. This article uses "cybersecurities markets" as the meaning of securities markets by suing new media like computer and computer network system for issuing securities or trading or providing information. Therefore this concept widely includes electronic devices, that is, automated trading programs(HTS, WTS), homepage and/or website for providing or disclosing information, hyperlink technology for the purpose of providing third party's information, research reports. From this view, cybersecurities markets may be equal to internet securities markets because cybersecurities markets need new information technology like internet technology. Many issues in cybersecurities markets can be divided in two parts. First, in online issuing markets, electronic delivery means issuer can deliver the prospectuses, other document by the electronic methods of E-mail, CD-ROM/Video tapes with lower cost than that of paper document delivery. But issuer or intermediaries must acquire informed-consent about electronic delivery, and assist technology problems. STA does not prescribe "telephone consent" or "global consent" with electronic delivery( Sec. 13①). Internet Roadshow is used to provide information or solicit buy any security to restricted person. Generally this is conducted during "waiting periods", that means from filing issuer's registration statement to effective date. This is held by using preliminary prospectus or summary prospectus(Sec. 13②2.∼3.). But Internet roadshow is not often used by the company, and paper-based roadshow is providing more information at deciding investment, the restriction of audience is unnecessary if the contents of roadshow meets legal requirement. Direct Online Public Offering can reduce issuing cost. Issuers contact investors without underwriters(intermediaries) and retail investors can choose among multiple investment opportunities. But STA can not give sufficient protection to the retail investors of online direct public offerings. Because it obligate duty of limited disclosure and sets limitation of monetary volume. If issuers want to raise capital, they can post this event on their homepage or website and may hyperlink to third party's website for the purpose of providing more information about their company or earning projections. If these homepage or website including hyperlink, provide information which may be understood prospectuses items, these contents should be filed with FSS(Financial Supervisory Service). To avoid these problems, issuers must consider using disclaimer. When an issuer offers a security, he must file the registration statements. Before the statements become effective, he cannot make an offer to sale and adopt the offer, which must be accompanied by final prospectus delivery(Sec. 13, 12). If he wants to held roadshow, he can use preliminary or summary prospectus that should not include items which do not file with the FSS in registration statements. If he adopted the hyperlinking information or sufficiently entangled before it's publishment, he should be liable for that information and burdens duty to correct. But whether issuers have to update the information on their own website or ensure the truth of hyperlinking third party's information doesn't be settled. For avoiding legal problems, it is recommended that issuers use disclaimer with "cautionary and meaningful words" at conspicuous place on the screen. Generally speaking, disclaimer is regarded as strongly effective in relation with forward-looking information(Sec. 14②). In conclusion I propose legislative amendments of effective regulatory system. The most important step is to set up the concept about electronic securities transactions. The subsection of STA should be amended in correspondence with the concept subsections of the Electronic Transaction Principle Act of 1999(ETPA). This amendment must conceptualize the meanings of "prospectus" and "electronic prospectus".